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    "# 1 赛题简介\n",
    "\n",
    "- 多分类问题\n",
    "- 根据心电图感应数据预测心跳信号所属类别\n",
    "\n",
    "# 2 赛题数据\n",
    "\n",
    "- 总数据量超过20万，0万条作为训练集，2万条作为测试集A，2万条作为测试集B\n",
    "- 对心跳信号类别（label）信息进行脱敏。\n",
    "- heartbeat_signals 心跳信号序列(数据之间采用“,”进行分隔)\n",
    "\n",
    "# 3 评测标准\n",
    "- 指标abs-sum\n",
    "- 求预测的概率与真实值差值的绝对值\n",
    "- $${abs-sum={\\mathop{ \\sum }\\limits_{{j=1}}^{{n}}{{\\mathop{ \\sum }\\limits_{{i=1}}^{{4}}{{ \\left| {y\\mathop{{}}\\nolimits_{{i}}-a\\mathop{{}}\\nolimits_{{i}}} \\right| }}}}}}$$\n"
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   "execution_count": null,
   "id": "practical-combat",
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   "outputs": [],
   "source": []
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